Home / 81,080,838,002.70-121,621,257,004.05-81,080,838,002.70

Finding the Fourth Proportional to 81,080,838,002.70, 121,621,257,004.05 and 81,080,838,002.70

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Solution

The fourth proportional to 81,080,838,002.70, 121,621,257,004.05 and 81,080,838,002.70 is: 121,621,257,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,080,838,002.70 : 121,621,257,004.05 = 81,080,838,002.70 : x
  2. Step 2: Convert to fraction form
    81,080,838,002.70/121,621,257,004.05 = 81,080,838,002.70/x
  3. Step 3: Cross multiply
    81,080,838,002.70x = 121,621,257,004.05 × 81,080,838,002.70
  4. Step 4: Simplify right side
    81,080,838,002.70x = 9,861,153,436,830,120,542,208
  5. Step 5: Solve for x
    x = 9,861,153,436,830,120,542,208/81,080,838,002.70
  6. Step 6: Final answer
    x = 121,621,257,004.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.